However, because oral medications must pass through the digestive system, to have the same efficacy as IV medications oral antibiotics must have high âbioavailabilityâ â the percentage of the drug that reaches the blood. Drugs administered via PICC lines have, by definition, 100 percent bioavailability.
A: Bactrim is a type of antibiotic used to treat a range of bacterial infections in the body according to WebMD. Physicians prescribe Bactrim to treat certain types of sexually transmitted diseases, urinary tract infections, respiratory illnesses, and various other infections.
Preventing Infections with Bactrim antibiotic may also be used to prevent bacterial infections in persons with weakened or compromised immune systems. Bactrim is a common defense used in transplant patients and patients with AIDS against Pneumocystis Carinii Pneumonia (PCP). Likewise, Bactrim may be used to treat PCP.reventing Infections with Bactrim antibiotic may also be used to prevent bacterial infections in persons with weakened or compromised immune systems. Bactrim is a common defense used in transplant patients and patients with AIDS against Pneumocystis Carinii Pneumonia (PCP). Likewise, Bactrim may be used to treat PCP.